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/* Platform independent shared object routines for GDB.
Copyright (C) 2011-2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef GDB_DLFCN_H
#define GDB_DLFCN_H
/* A deleter that closes an open dynamic library. */
struct dlclose_deleter
{
void operator() (void *handle) const;
};
/* A unique pointer that points to a dynamic library. */
typedef std::unique_ptr<void, dlclose_deleter> gdb_dlhandle_up;
/* Load the dynamic library file named FILENAME, and return a handle
for that dynamic library. Return NULL if the loading fails for any
reason. */
gdb_dlhandle_up gdb_dlopen (const char *filename);
/* Return the address of the symbol named SYMBOL inside the shared
library whose handle is HANDLE. Return NULL when the symbol could
not be found. */
void *gdb_dlsym (const gdb_dlhandle_up &handle, const char *symbol);
/* Return non-zero if the dynamic library functions are available on
this platform. */
int is_dl_available(void);
#endif /* GDB_DLFCN_H */
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